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The End of Putin?
Vladimir Putin is astute and ruthless, but he is not a dictator, and his regime is much more fragile than it looks ["See Putin Run," March 5]. As he loses popular support, the question is not whether he will also lose power but when. Will Russians be willing to wait another six years, or will they find a way to push him out sooner?Christoph Thoma,
Munich

Contrary to what your article suggests, many of us believe that Putin remains a powerful political leader to...